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公开(公告)号：US20070248113A1
公开(公告)日：2007-10-25
申请号：US11734710
申请日：2007-04-12
CPC分类号： H04B7/0613 , H04B7/0413 , H04B7/0684 , H04L5/0023 , H04L5/0048 , H04L25/0224 , H04L25/0226
摘要： There is provided a method for placing reference signals in a wireless communication system. The method includes preparing a plurality of sub-frames for a plurality of antennas, placing a reference signal for one sub-frame and placing a reference signal for another sub-frame not to overlap with the reference signal for one sub-frame, wherein the reference signal for one sub-frame and the reference signal for another sub-frame are successively placed on contiguous OFDM symbols or on the contiguous sub-carriers. Channel estimation or data demodulation can be prevented from performance degradation.
摘要翻译： 提供了一种在无线通信系统中放置参考信号的方法。 该方法包括：为多个天线准备多个子帧，为一个子帧放置一个参考信号，并为另一个子帧放置一个不与一个子帧的参考信号重叠的参考信号，其中， 一个子帧的参考信号和另一个子帧的参考信号被连续放置在连续的OFDM符号上或连续的子载波上。 信道估计或数据解调可以防止性能下降。
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2.发明申请公开(公告)号：US20070280373A1
公开(公告)日：2007-12-06
申请号：US11754882
申请日：2007-05-29
IPC分类号： H04L1/02
CPC分类号： H04L1/02 , H04B5/0081 , H04B7/0456 , H04B7/0465 , H04B7/0639 , H04B7/0671 , H04B7/0682 , H04L25/03343 , H04L25/03898 , H04L27/2626
摘要： A method of transmitting data using a generalized phase shift based proceding or an extended phase shift precoding scheme in a multiple-antenna system using a plurality of subcarrier and a transceiver for supporting the same are disclosed. A phase shift based precoding matrix may be generalized and determined by a product of a diagonal matrix for phase shift and a unitary matrix for maintaining orthogonality in spatial domain. The diagonal matrix may be extended by a product of a proceding matrix for increasing channel power and the diagonal matrix for phase shift. The design of the transceiver can be simplified or communication efficiency can be improved by generalizing and extending the phase shift based proceding.
摘要翻译： 公开了一种在多天线系统中使用基于广义相移的过程或扩展相移预编码方案来发送数据的方法，所述多天线系统使用多个子载波和收发器来支持该方法。 基于相移的预编码矩阵可以被推广并由用于相移的对角矩阵和用于维持空间域中的正交性的酉矩阵的乘积来确定。 可以通过用于增加信道功率的过程矩阵的乘积和用于相移的对角矩阵来扩展对角矩阵。 可以简化收发器的设计，通过泛化和扩展基于相移的过程可以提高通信效率。
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3.发明申请公开(公告)号：US20070243903A1
公开(公告)日：2007-10-18
申请号：US11576248
申请日：2005-10-25
IPC分类号： H04M1/00
CPC分类号： H04L1/1893 , H04L1/0025 , H04L1/0631 , H04L1/0643 , H04L1/0656 , H04L1/0668 , H04L1/0693 , H04L1/1671 , H04L1/18 , H04L1/1864 , H04L1/1896
摘要： A method of retransmitting a data packet in a wireless communication system having multiple antennas is disclosed. More specifically, a mobile station (MS) determines a retransmission format from a plurality of retransmission formats and then informs the determined retransmission format by which to retransmit the data packet. A 1 = [ S ~ 1 - S ~ 2 0 0 S ~ 2 S ~ 1 S ~ 3 - S ~ 4 0 0 S ~ 4 S ~ 5 ] A 2 = [ S ~ 1 - S ~ 2 S ~ 3 - S ~ 4 S ~ 2 S ~ 1 0 0 0 0 S ~ 4 S ~ 5 ] A 3 = [ S ~ 1 - S ~ 2 0 0 S ~ 2 S ~ 1 S ~ 3 - S ~ 4 S ~ 2 S ~ 1 S ~ 4 S ~ 5 ]
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4.发明申请公开(公告)号：US20060195767A1
公开(公告)日：2006-08-31
申请号：US11319305
申请日：2005-12-27
IPC分类号： H03M13/00
CPC分类号： H04L1/1819 , H04L1/0656 , H04L1/1607 , H04L1/1845 , H04L5/023
摘要： A method of supporting a hybrid automatic retransmission request (HARQ) in an orthogonal frequency division multiplexing access (OFDMA) radio access system is disclosed. Preferably, the method comprises receiving a downlink data frame comprising a data map information element and a data burst comprising a plurality of layers, wherein each layer is encoded with a corresponding channel encoder, and wherein the data map information element is configured to support multiple antennas to achieve space time transmit diversity by providing control information associated with each one of the plurality of layers, wherein the control information comprises allocation of acknowledgement status channels corresponding to the plurality of layers, and transmitting in an uplink data frame a plurality of acknowledgement status, each acknowledgement status being associated with whether a corresponding layer of the plurality of layers is properly decoded.
摘要翻译： 公开了一种在正交频分复用接入（OFDMA）无线电接入系统中支持混合自动重传请求（HARQ）的方法。 优选地，所述方法包括接收包括数据映射信息元素和包括多个层的数据突发的下行链路数据帧，其中每个层被对应的信道编码器编码，并且其中所述数据映射信息元素被配置为支持多个天线 通过提供与所述多个层中的每一层相关联的控制信息来实现空间时间发射分集，其中所述控制信息包括对应于所述多个层的确认状态信道的分配，以及在上行链路数据帧中发送多个确认状态， 每个确认状态与所述多个层的对应层是否被适当地解码相关联。
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公开(公告)号：US20060171295A1
公开(公告)日：2006-08-03
申请号：US11319251
申请日：2005-12-27
CPC分类号： H04L5/0094 , H04L5/0007 , H04L5/0046 , H04L5/0048 , H04L5/0055 , H04L5/0057 , H04L27/2604
摘要： The present invention relates to allocating a radio resource in a wireless communication system utilizing orthogonal frequency division multiplexing (OFDM). Preferably, the present invention comprises receiving in a mobile station data associated with a radio resource allocation map from a base station, wherein the radio allocation map comprises control parameters for transmitting an uplink channel, wherein the uplink channel comprises at least on OFDM tile comprising a first set of subcarriers associated with representing at least part of an n-bit data payload, and a second set of subcarriers associated with representing at least part of a non-pilot m-bit data payload wherein each subcarrier carries a modulated data, and the first and the second set of subcarriers are exclusive to each other, and transmitting the uplink channel from the mobile station to the base station.
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6.发明申请Method of Processing Received Signals in a Multi-Input Multi-Output (Mimo) System 有权在多输入多输出（Mimo）系统中处理接收信号的方法公开(公告)号：US20070280360A1
公开(公告)日：2007-12-06
申请号：US11576246
申请日：2005-09-30
IPC分类号： H04L27/00
CPC分类号： H04L25/0248 , H04B7/0413 , H04B7/0634 , H04B7/0639 , H04B7/0854 , H04L25/0204
摘要： A method of processing data by using a plurality of antennas and by applying weight to each signal received via a corresponding antenna in a wireless communication system is disclosed. More specifically, the method includes estimating a channel matrix corresponding to the received signal and dividing columns of the channel matrix into at least two groups. Here, each group includes at least one column. Furthermore, the method includes applying a Singular Value Decomposition (SVD) scheme to each group.
摘要翻译： 公开了一种通过使用多个天线处理数据并通过对通过无线通信系统中的相应天线接收的每个信号施加加权的方法。 更具体地，该方法包括估计与接收信号相对应的信道矩阵，并将信道矩阵的列划分成至少两组。 这里，每个组包括至少一列。 此外，该方法包括对每个组应用奇异值分解（SVD）方案。
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7.发明申请Allocating data bursts and supporting hybrid auto retransmission request in orthogonal frequency division multiplexing access radio access system 有权在正交频分复用接入无线接入系统中分配数据突发和支持混合自动重发请求公开(公告)号：US20060184854A1
公开(公告)日：2006-08-17
申请号：US11320374
申请日：2005-12-27
IPC分类号： H04L1/18
CPC分类号： H04L5/023 , H04L1/1614 , H04L1/1812 , H04L27/2608 , H04L2001/0093
摘要： The present invention relates to allocating data regions in an orthogonal frequency division multiplexing access system. The present invention comprises receiving a message comprising information for locating a data region of a data map allocated to a mobile station identified in the message for transmitting and receiving information, and identifying the data region of the data map allocated to the identified mobile station by reading the received message, wherein the data region is identified independent of identifying data regions of another data map.
摘要翻译： 本发明涉及在正交频分复用接入系统中分配数据区域。 本发明包括接收消息，包括用于定位分配给用于发送和接收信息的消息中标识的移动站的数据映射的数据区域的信息，以及通过读取来识别分配给所识别的移动站的数据映射的数据区域 所接收的消息，其中所述数据区域被识别为独立于另一数据映射的识别数据区域。
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8.发明申请METHOD OF TRANSMITTING DATA AND ESTIMATING CHANNEL INFORMATION IN OFDM/OFDMA MOBILE COMMUNICATIONS SYSTEM 有权在OFDM / OFDMA移动通信系统中传输数据和估计信道信息的方法公开(公告)号：US20070217539A1
公开(公告)日：2007-09-20
申请号：US11576440
申请日：2005-09-30
IPC分类号： H04L1/02
CPC分类号： H04B7/0417 , H04B7/0632 , H04B7/0636 , H04B7/0643 , H04L1/0026 , H04L1/0028 , H04L27/2626 , H04L27/2647
摘要： A method of feeding back channel information in an OFDM or OFDMA radio communications system is disclosed, in which a transmitting side instructs a region for measuring a downlink channel status and in which a receiving side feeds back the channel information to the transmitting side. The present invention includes the steps of transmitting instruction information instructing at least one region of at least two regions within a data frame as a signal measurement region to a receiving side and receiving the channel information estimated by a signal included in the signal measurement region instructed by the instruction information from the receiving side.
摘要翻译： 公开了一种在OFDM或OFDMA无线电通信系统中反馈信道信息的方法，其中发送侧指示区域测量下行链路信道状态，并且其中接收侧将信道信息反馈给发送侧。 本发明包括以下步骤：将指示数据帧内的至少两个区域的至少一个区域的指令信息作为信号测量区域发送到接收侧，并接收由包括在由信号测量区域指示的信号测量区域中的信号估计的信道信息， 来自接收侧的指令信息。
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公开(公告)号：US20070115408A1
公开(公告)日：2007-05-24
申请号：US11595469
申请日：2006-11-09
申请人： Chang Kang , Jin Chun
发明人： Chang Kang , Jin Chun
IPC分类号： G02F1/1335
CPC分类号： G02F1/133553 , G02F2001/133507
摘要： Disclosed is a reflective type liquid crystal display device. The liquid crystal display device includes: an upper substrate provided with a polarizing plate on one surface of the upper substrate; a lower substrate spaced away from the other surface of the upper substrate; a liquid crystal layer disposed between the upper and lower substrates; a color filter layer formed at a portion on the other surface of the upper substrate; a self-luminous body coated side by side with the color filter layer in a region besides a pixel region on the other surface of the upper substrate, so as to radiate light by itself depending on the electric current; and a transparent ITO layer covered on the color filter layer and the self-luminous body. It is possible to operate the liquid crystal display device without degradation of reflection efficiency in a dark state wherein light introduced from outside is weak.
摘要翻译： 公开了一种反射型液晶显示装置。 液晶显示装置包括：在上基板的一个表面上设置有偏振板的上基板; 与上基板的另一表面间隔开的下基板; 设置在上基板和下基板之间的液晶层; 形成在所述上基板的另一面的一部分的滤色层; 在与所述上基板的另一个表面上的像素区域以外的区域中与所述滤色器层并排地涂布的自发光体，以根据所述电流自身照射光; 以及覆盖在滤色器层和自发光体上的透明ITO层。 在从外部引入的光较弱的黑暗状态下，可以操作液晶显示装置而不降低反射效率。
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10.发明申请公开(公告)号：US20070041378A1
公开(公告)日：2007-02-22
申请号：US11551189
申请日：2006-10-19
申请人： Bin Chul Ihm , Jin Chun , Yong Jin
发明人： Bin Chul Ihm , Jin Chun , Yong Jin
IPC分类号： H04L12/56
CPC分类号： H04W99/00 , H04L69/324 , Y10S370/912
摘要： A method of transmitting feedback information is disclosed. More specifically, a mobile station (MS) receives a Protocol Data Unit (PDU) which includes a Medium Access Channel (MAC) header from a base station (BS). Thereafter, the MS determines from the received MAC header whether an extended subheader group appears after the MAC header, and also identifies a feedback request extended subheader from the extended subheader group. Lastly, the MS transmits the feedback information according to the feedback request extended subheader.
摘要翻译： 公开了一种发送反馈信息的方法。 更具体地，移动台（MS）从基站（BS）接收包括媒体接入信道（MAC）报头的协议数据单元（PDU）。 此后，MS从接收到的MAC报头确定扩展子报头组是否出现在MAC报头之后，并且还从扩展子报头组识别反馈请求扩展子报头。 最后，MS根据反馈请求扩展子报头发送反馈信息。
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